''Myersglanis'' is a

genus Genus (; : genera ) is a taxonomic rank above species and below family (taxonomy), family as used in the biological classification of extant taxon, living and fossil organisms as well as Virus classification#ICTV classification, viruses. In bino ...

sisorid catfish Sisoridae is a family of catfishes. These Asian catfishes live in fast-moving waters and often have adaptations that allow them to adhere to objects in their habitats. The family includes about 235 species. Taxonomy The family Sisoridae is recog ...

es native to

Asia Asia ( , ) is the largest continent in the world by both land area and population. It covers an area of more than 44 million square kilometres, about 30% of Earth's total land area and 8% of Earth's total surface area. The continent, which ...

Species

There are currently two recognized species in this genus: * '' Myersglanis blythii'' ( F. Day, 1870) (Stone cat) * '' Myersglanis jayarami'' Vishwanath & Kosygin, 1999

Distribution and habitat

''Myersglanis'' originates from the

Ganges The Ganges ( ; in India: Ganga, ; in Bangladesh: Padma, ). "The Ganges Basin, known in India as the Ganga and in Bangladesh as the Padma, is an international which goes through India, Bangladesh, Nepal and China." is a trans-boundary rive ...

and

Irrawaddy Irrawaddy or Ayeyarwady may refer to: *Irrawaddy River, the main river of Burma *Irrawaddy Delta, a rice growing region of the country *Irrawaddy, an alternative spelling of Ayeyarwady Region, an administrative division of Burma *''The Irrawaddy'' ...

drainages in

India India, officially the Republic of India, is a country in South Asia. It is the List of countries and dependencies by area, seventh-largest country by area; the List of countries by population (United Nations), most populous country since ...

and

Nepal Nepal, officially the Federal Democratic Republic of Nepal, is a landlocked country in South Asia. It is mainly situated in the Himalayas, but also includes parts of the Indo-Gangetic Plain. It borders the Tibet Autonomous Region of China Ch ...

. ''M. blythii'' inhabits the Ganges drainage in Nepal and possibly from

Pharping Pharping (or Phamting) is a small Newar people, Newar town lying above the Bagmati river on the southern edge of the Kathmandu valley, about 23 km from the capital. It is now part of the Dakshinkali , Dakshinkali Municipality. The town and ...

, Nepal. ''M. jayarami'' lives in the Irrawaddy drainage in India; it is found in the Lainye River of the

Chindwin River The Chindwin River (), also known as the Ningthi River (), is a river in Myanmar and is the largest tributary of the Irrawaddy River. Sources The Chindwin originates in the broad Hukawng Valley of Kachin State of Burma, roughly , where the Tanai, ...

basin in this drainage. ''M. blythii'' occurs in streams and is common in hill streams; it is also found in mountain rapids.

Description

''Myersglanis'' species can be distinguished by the presence of a continuous groove behind the lips (post-labial groove), the

gill A gill () is a respiration organ, respiratory organ that many aquatic ecosystem, aquatic organisms use to extract dissolved oxygen from water and to excrete carbon dioxide. The gills of some species, such as hermit crabs, have adapted to allow r ...

openings not extending onto the underside (venter),

homodont In anatomy, a heterodont (from Greek, meaning 'different teeth') is an animal which possesses more than a single tooth morphology. Human dentition is heterodont and diphyodont as an example. In vertebrates, heterodont pertains to animals where ...

dentition with pointed teeth in both jaws, the tooth patches in upper jaw joined and not produced posteriorly at the sides, and 10 or 16–19 branched pectoral rays. The head is depressed. The body is elongate and depressed anteriorly. The eyes are minute, dorsally located, and under the skin. The lips are thick, fleshy, and papillated. ''M. blythii'' grows to a length of about 7.3

centimetre upright=1.35, Different lengths as in respect to the electromagnetic spectrum, measured by the metre and its derived scales. The microwave is in-between 1 meter to 1 millimeter. A centimetre (International spelling) or centimeter (American ...

s (2.9 in) TL.

References

Sisoridae Freshwater fish genera Catfish of Asia Catfish genera Taxa named by Sunder Lal Hora {{Sisoridae-stub